Barbara Mounho-Zamora, 52, of Bend displays a pair of knitted knockers. The breast cancer survivor who had a double mastectomy uses them when she dresses up for a night out or special event Barbara Mounho-Zamora, 52, of Bend is a breast cancer survivor who uses knitted knockers following her double mastectomy. A volunteer works on making a pair of knitted knockers during a meeting with fellow Assistance League members to create a handmade breast prosthesis. Knitted Knockers are special handmade breast prosthesis for women who have undergone mastectomies or other procedures to their breasts. Barbara Mounho-Zamora, 52, of Bend displays a pair of knitted knockers. The breast cancer survivor who had a double mastectomy uses them when she dresses up for a night out or special event Barbara Mounho-Zamora, 52, of Bend is a breast cancer survivor who uses knitted knockers following her double mastectomy. A volunteer works on making a pair of knitted knockers during a meeting with fellow Assistance League members to create a handmade breast prosthesis. Knitted Knockers are special handmade breast prosthesis for women who have undergone mastectomies or other procedures to their breasts. ...